.card {
    width: 100%;
    margin: 1%;
    background-color: #eee;/* 占位 */
    overflow: hidden;
    border-radius: 16px;
    position: relative;
}
.img {
    width: 100%;
    height: 100%;
    object-fit: cover; /* 保持元素宽高比 剪裁 */
    display: block;
}
.overview {
    background-color: rgba(255, 255, 255, 0.95);
    padding: 24px;
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    max-height: 100%;
    transform: translateY(102%);
    overflow: hidden;
    transition: transform 0.3s ease-in;
}
.card:hover .overview {
    transform: translateY(0);
}